v3.25.4

Note 31 - Related Party Transactions - Routine Transactions Recognized in the Statements of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investment banking and new issue	$ 24,837	$ 0	$ 0
Asset management	1,542	1,876	1,487
Income / (loss) from equity method affiliates	(16,763)	21,704	15,609
Operating expense (income)	(62)	(104)	(103)
Operating expense (income)	(62)	(104)	(103)
Interest expense (income)	1,002	1,050	941
BTC Development Corp SPAC IPO [Member]
Investment banking and new issue	1,610	0	0
Columbus Circle SPAC [Member]
Investment banking and new issue	17,888	0	0
Principal transactions and other income	70	0	0
Income / (loss) from equity method affiliates	(3,467)	0	0
Crane Harbor Acquisition I [Member]
Investment banking and new issue	2,577	0	0
Crane Harbor Acquisition II [Member]
Investment banking and new issue	2,762	0	0
CREO JV [Member]
Asset management	530	711	113
Principal transactions and other income	(341)	617	901
SPAC Fund [Member]
Asset management	0	0	173
Principal transactions and other income	0	0	28
U.S. Insurance JV [Member]
Asset management	1,012	1,165	1,201
Principal transactions and other income	237	17	463
CK Capital Value Fund [Member]
Principal transactions and other income	14	0	0
Other SPAC Sponsor Entities [Member]
Principal transactions and other income	0	5	50
Income / (loss) from equity method affiliates	(13,929)	22,463	15,275
Stoa Usa Inc and Flip Os [Member]
Principal transactions and other income	0	0	(6,847)
Equity Method Affiliates [Member]
Principal transactions and other income	(20)	639	(5,405)
Income / (loss) from equity method affiliates	(16,763)	21,704	15,609
Dutch Real Estate Entities [Member]
Income / (loss) from equity method affiliates	633	(759)	334
Cohen Circle LLC [Member]
Operating expense (income)	(62)	(104)	(103)
Operating expense (income)	(62)	(104)	(103)
JKD Investor [Member]
Interest expense (income)	$ 1,002	$ 1,050	$ 941

X

- Definition

Represents related party interest income (expense).

+ References

No definition available.

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+ References

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Principal transactions include all gains, losses, and income (interest and dividend) from securities or loans classified as other investments, at fair value (including gains and losses on derivatives classified as other investments, at fair value) in the consolidated balance sheets. Other income includes foreign currency gains and losses, interest earned on cash and cash equivalents, and other miscellaneous income.

+ References

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Investment banking and new issue income with related party.

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- Definition

Asset management fees income with related party.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
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-Section 50
-Paragraph 1
-Subparagraph (i)
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(10))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481664/323-10-45-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(12))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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